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Supply voltage:

Temperature range:

42-pin package


MDR8E5 is a high-performance 8-bit RISC microcontroller for automotive and industrial automation systems built on CAN bus.

Microcontroller has a wide set of interfaces. CAN interface controller with 6 communication buffers and data rate of up to 1 Mbit/s, USART interface controller unit has LIN interface support, 8-channel 10-bit ADC converter, timer units with PWM and Capture, internal non-volatile ЕЕPRОМ data memory. In-circuit debugging unit is implemented in microcontroller allowing in system debugging and programming. CAN interface controller is certified by С&S group.


  • system based on CAN, LIN bus and RS-485, RS-232 interfaces
  • embedded control for automotive
  • remote control devices

Main features:

  • operating frequency up to 35 MHz
  • 58 one word instructions
  • 8x8 bit hardware multiplier per cycle
  • interrupt controller and 16-level deep hardware stack
  • direct, indirect and relative addressing modes
  • 8 KBytes (4Kx16 bit) of internal ЕЕРROМ program memory
  • in-circuit program memory programming
  • in-circuit debugging
  • 902 Bytes (902x8 bit) of internal RAM data memory
  • 256 Bytes (256x8 bit) of internal EEPROM data memory
  • power on and brown out reset
  • watchdog timer
  • memory protected mode
  • power saving mode (SLЕЕР)
  • dynamic current consumption up to 50 mA

Peripheral features:

  • 8-channel 10-bit ADC
  • 16-bit timer/counter with 8-bit programmable prescaler
  • 2 timers with PWM and Capture
  • USARТ with programmable transmission rate and LIN mode support
  • САN 2.0В controller with 6 communication buffers, operating on data rate of up to 1 Mbit/s
  • up to 26 user IO's

Datasheet for MDR8E5 3/22/2010
download [1.3 MB]

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